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19 package org.eclipse.jetty.embedded;
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21 import java.io.File;
22 import java.io.IOException;
23 import java.util.Map;
24
25 import javax.servlet.ServletException;
26 import javax.servlet.http.HttpServletRequest;
27 import javax.servlet.http.HttpServletResponse;
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29 import org.eclipse.jetty.server.Handler;
30 import org.eclipse.jetty.server.NCSARequestLog;
31 import org.eclipse.jetty.server.Request;
32 import org.eclipse.jetty.server.Server;
33 import org.eclipse.jetty.server.handler.AbstractHandler;
34 import org.eclipse.jetty.server.handler.DefaultHandler;
35 import org.eclipse.jetty.server.handler.HandlerCollection;
36 import org.eclipse.jetty.server.handler.HandlerList;
37 import org.eclipse.jetty.server.handler.HandlerWrapper;
38 import org.eclipse.jetty.server.handler.RequestLogHandler;
39 import org.eclipse.jetty.server.handler.gzip.GzipHandler;
40 import org.eclipse.jetty.util.ajax.JSON;
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68 public class ManyHandlers
69 {
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73 public static class ParamHandler extends AbstractHandler
74 {
75 public void handle( String target,
76 Request baseRequest,
77 HttpServletRequest request,
78 HttpServletResponse response ) throws IOException,
79 ServletException
80 {
81 Map<String, String[]> params = request.getParameterMap();
82 if (params.size() > 0)
83 {
84 response.setContentType("text/plain");
85 response.getWriter().println(JSON.toString(params));
86 baseRequest.setHandled(true);
87 }
88 }
89 }
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93
94 public static class WelcomeWrapHandler extends HandlerWrapper
95 {
96 @Override
97 public void handle( String target,
98 Request baseRequest,
99 HttpServletRequest request,
100 HttpServletResponse response ) throws IOException,
101 ServletException
102 {
103 request.setAttribute("welcome", "Hello");
104 super.handle(target, baseRequest, request, response);
105 }
106 }
107
108 public static void main( String[] args ) throws Exception
109 {
110 Server server = new Server(8080);
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113 Handler param = new ParamHandler();
114 HandlerWrapper wrapper = new WelcomeWrapHandler();
115 Handler hello = new HelloHandler();
116 Handler dft = new DefaultHandler();
117 RequestLogHandler requestLog = new RequestLogHandler();
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120 File requestLogFile = File.createTempFile("demo", "log");
121 NCSARequestLog ncsaLog = new NCSARequestLog(
122 requestLogFile.getAbsolutePath());
123 requestLog.setRequestLog(ncsaLog);
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126 HandlerCollection handlers = new HandlerCollection();
127 HandlerList list = new HandlerList();
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130 wrapper.setHandler(hello);
131 list.setHandlers(new Handler[] { param, new GzipHandler(), dft });
132 handlers.setHandlers(new Handler[] { list, requestLog });
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146 server.setHandler(handlers);
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148 server.start();
149 server.join();
150 }
151 }